$584+ Cheap flights from Shannon (SNN) to San Francisco (SFO)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Shannon to San Francisco with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Shannon to San Francisco
Discover tips and strategies to find the most affordable flight options for your journey from Shannon (SNN) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 16, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $584 (TravelUp) |
Popular in | July |
Cheapest in | September |
Average price | $765 |
Find flight deals from Shannon to San Francisco
Cheapest flights from Shannon to San FranciscoExplore the most affordable flight options available from Shannon to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2025.
Explore the most affordable flight options available from Shannon to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2025.
This TravelUp deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This TravelUp deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Arangrant deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Arangrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air Canada deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Find flights from Shannon to San Francisco within your budget
Customize your flight search to find flights from Shannon to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 16, 2025.
Fly from
Fly to
Route
Depart
Return
Price
ShannonSan Francisco
SNN - SFO
SNNSFO
Shannon
Thu 1/30
7:45 am-3:00 pm
1 stop15h 15m
San Francisco
Mon 2/3
7:05 am-11:30 am
2 stops20h 25m
ShannonSan Francisco
SNN - SFO
SNNSFO
Shannon
Thu 1/30
7:45 am-8:36 pm
2 stops20h 51m
San Francisco
Mon 2/3
7:05 am-11:30 am
2 stops20h 25m
ShannonSan Francisco
SNN - SFO
SNNSFO
Shannon
Tue 2/4
7:45 am-6:45 pm
1 stop19h 00m
San Francisco
Tue 2/11
5:30 pm-4:45 pm
1 stop15h 15m
ShannonSan Francisco
SNN - SFO
SNNSFO
Shannon
Thu 2/13
7:45 am-5:31 pm
2 stops41h 46m
San Francisco
Tue 2/18
10:50 am-4:45 pm
2 stops21h 55m
ShannonSan Francisco
SNN - SFO
SNNSFO
Shannon
Fri 5/23
9:15 pm-3:45 pm
2 stops26h 30m
ShannonSan Francisco
SNN - SFO
SNNSFO
Shannon
Fri 5/23
12:30 pm-7:04 pm
1 stop14h 34m
Compare providers for flights from Shannon to San Francisco
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Shannon to San Francisco in January.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Shannon-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Shannon-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Shannon-San Francisco flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Shannon-San Francisco flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Shannon-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Shannon to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from Shannon with our price prediction graph.
Travel insights for flights from Shannon to San Francisco
Get recent, data-driven insights about flights from Shannon to San Francisco including ideal travel times, pricing trends, and more.
What is the cheapest month to book a flight from Shannon to San Francisco?
Currently, January is the cheapest month in which you can book a flight from Shannon to San Francisco (average of $276). Flying from Shannon to San Francisco in June is currently the most expensive (average of $405). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Rainfall in San Francisco by month
Plan your trip to San Francisco by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.
Temperature in San Francisco by month
Plan your trip to San Francisco by taking into account the average temperature totals by month.
If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).
Reviews of airlines servicing San Francisco
Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated January 16, 2025.
Peruse reviews from past customers who have flown with American Airlines and British Airways from Shannon to San Francisco to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
Entertainment
Boarding
Food
Overall
Crew
Reviews
Due to gate changes,we nearly missed our flight. The gate agent reassigned our seats and would NOT give us our assigned seats,but she did honor that same request to the man who arrived after us. Her rudeness and difficulty was not appropriate.
Comfort
Entertainment
Boarding
Food
Overall
Crew
Reviews
Due to gate changes,we nearly missed our flight. The gate agent reassigned our seats and would NOT give us our assigned seats,but she did honor that same request to the man who arrived after us. Her rudeness and difficulty was not appropriate.
Comfort
Entertainment
Boarding
Food
Overall
Crew
Reviews
Due to gate changes,we nearly missed our flight. The gate agent reassigned our seats and would NOT give us our assigned seats,but she did honor that same request to the man who arrived after us. Her rudeness and difficulty was not appropriate.
Comfort
Entertainment
Boarding
Food
Overall
Crew
Reviews
Due to gate changes,we nearly missed our flight. The gate agent reassigned our seats and would NOT give us our assigned seats,but she did honor that same request to the man who arrived after us. Her rudeness and difficulty was not appropriate.
Comfort
Entertainment
Boarding
Food
Overall
Crew
Reviews
Due to gate changes,we nearly missed our flight. The gate agent reassigned our seats and would NOT give us our assigned seats,but she did honor that same request to the man who arrived after us. Her rudeness and difficulty was not appropriate.